49b00d1a86
* Port Junit assert to Truth in `com.google.gson.stream` * Port Junit assert to Truth in `com.google.gson.regression` * Port Junit assert to Truth in `om.google.gson.reflect` * Port Junit assert to Truth in `com.google.gson.metrics` * Port Junit assert to Truth in `com.google.gson.internal` * Port Junit assert to Truth in `com.google.gson.internal.sql` * Port Junit assert to Truth in `com.google.gson.internal.reflect` * Port Junit assert to Truth in `com.google.gson.internal.bind` * Port Junit assert to Truth in `com.google.gson.internal.bind.util` * Port Junit assert to Truth in `com.google.gson.functional` * Replaces `List.of` with `Arrays.asList` to grant legacy * Simplify `==` asserts * Simplify `.contain()` asserts + Minor fixes * Simplify asserts
75 lines
2.1 KiB
Java
75 lines
2.1 KiB
Java
/*
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* Copyright (C) 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.gson.internal;
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import static com.google.common.truth.Truth.assertThat;
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import static org.junit.Assert.fail;
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import org.junit.Test;
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/**
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* Test unsafe allocator instantiation
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* @author Ugljesa Jovanovic
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*/
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public final class UnsafeAllocatorInstantiationTest {
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public interface Interface {
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}
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public static abstract class AbstractClass {
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}
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public static class ConcreteClass {
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}
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/**
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* Ensure that an {@link AssertionError} is thrown when trying
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* to instantiate an interface
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*/
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@Test
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public void testInterfaceInstantiation() throws Exception {
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try {
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UnsafeAllocator.INSTANCE.newInstance(Interface.class);
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fail();
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} catch (AssertionError e) {
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assertThat(e).hasMessageThat().startsWith("UnsafeAllocator is used for non-instantiable type");
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}
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}
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/**
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* Ensure that an {@link AssertionError} is thrown when trying
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* to instantiate an abstract class
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*/
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@Test
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public void testAbstractClassInstantiation() throws Exception {
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try {
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UnsafeAllocator.INSTANCE.newInstance(AbstractClass.class);
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fail();
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} catch (AssertionError e) {
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assertThat(e).hasMessageThat().startsWith("UnsafeAllocator is used for non-instantiable type");
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}
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}
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/**
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* Ensure that no exception is thrown when trying to instantiate a concrete class
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*/
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@Test
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public void testConcreteClassInstantiation() throws Exception {
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ConcreteClass instance = UnsafeAllocator.INSTANCE.newInstance(ConcreteClass.class);
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assertThat(instance).isNotNull();
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}
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}
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